// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_RASTER_BITMAP_RASTER_BUFFER_PROVIDER_H_
#define CC_RASTER_BITMAP_RASTER_BUFFER_PROVIDER_H_

#include <stdint.h>

#include "base/macros.h"
#include "base/values.h"
#include "cc/raster/raster_buffer_provider.h"

namespace base {
namespace trace_event {
    class ConvertableToTraceFormat;
}
}

namespace cc {
class ResourceProvider;

class CC_EXPORT BitmapRasterBufferProvider : public RasterBufferProvider {
public:
    ~BitmapRasterBufferProvider() override;

    static std::unique_ptr<RasterBufferProvider> Create(
        ResourceProvider* resource_provider);

    // Overridden from RasterBufferProvider:
    std::unique_ptr<RasterBuffer> AcquireBufferForRaster(
        const Resource* resource,
        uint64_t resource_content_id,
        uint64_t previous_content_id) override;
    void ReleaseBufferForRaster(std::unique_ptr<RasterBuffer> buffer) override;
    void OrderingBarrier() override;
    ResourceFormat GetResourceFormat(bool must_support_alpha) const override;
    bool IsResourceSwizzleRequired(bool must_support_alpha) const override;
    bool CanPartialRasterIntoProvidedResource() const override;
    void Shutdown() override;

protected:
    explicit BitmapRasterBufferProvider(ResourceProvider* resource_provider);

private:
    std::unique_ptr<base::trace_event::ConvertableToTraceFormat> StateAsValue()
        const;

    ResourceProvider* resource_provider_;

    DISALLOW_COPY_AND_ASSIGN(BitmapRasterBufferProvider);
};

} // namespace cc

#endif // CC_RASTER_BITMAP_RASTER_BUFFER_PROVIDER_H_
